Method save

src/runtime/config.ts:301–354

(rootDir: string, updates: Partial<DataConfig>)

    this.configData = resolveRuntimeConfig(this.fileConfigData);
    return this.configData;
  }

  public getConfig(): DataConfig {
    return this.configData;
  }

  public save(rootDir: string, updates: Partial<DataConfig>): void {
    const configDir = path.join(rootDir, "data");
    if (!this.configPath) {
      this.configPath = path.join(rootDir, "data", "config.json");
    }
    if (!fs.existsSync(configDir)) {
      fs.mkdirSync(configDir, { recursive: true });
    }

    // Merge configuration
    if (updates.apiKey !== undefined) this.fileConfigData.apiKey = updates.apiKey;
    if (updates.provider !== undefined) this.fileConfigData.provider = updates.provider;
    if (updates.baseUrl !== undefined) {
      this.fileConfigData.baseUrl = updates.baseUrl?.trim() || undefined;
    }
    if (updates.modelId !== undefined) {
      this.fileConfigData.modelId = updates.modelId?.trim() || undefined;
    }
    if (updates.apiProtocol !== undefined) {
      this.fileConfigData.apiProtocol = updates.apiProtocol || undefined;
    }
    if (updates.reasoning !== undefined) {
      this.fileConfigData.reasoning = updates.reasoning;
    }

    // Per-adapter key handling: null = delete, object = overwrite
    if (updates.adapters !== undefined) {
      const merged: DataConfig["adapters"] = { ...(this.fileConfigData.adapters || {}) };
      for (const [adapterKey, adapterVal] of Object.entries(updates.adapters)) {
        if (adapterVal === null || adapterVal === undefined) {
          delete merged[adapterKey];
        } else {
          merged[adapterKey] = adapterVal;
        }
      }
      this.fileConfigData.adapters = merged;
    }

    if (updates._auth !== undefined) {
      this.fileConfigData._auth = updates._auth;
    }

    try {
      this.fileConfigData = normalizeDataConfig(this.fileConfigData);
      this.configData = resolveRuntimeConfig(this.fileConfigData);
      fs.writeFileSync(
        this.configPath,
        JSON.stringify(this.fileConfigData, null, 2),
        "utf-8",
      );
    } catch (err) {